Part of set of 36 glass negatives and two celluloid negatives depicting airplanes and aviators of Panama-Pacific International Exposition, San Francisco; view of crowd of men and women standing behind rope barrier and shielding themselves from something (wind or dust?); Exposition pavilion visible in background; sign with aviator Art Smith’s name on right side of image; “25738” written in lower left corner; photograph taken in 1915; handwritten inscription on original sleeve, “25738 / Aviation field / daily scene in back of Art Smith plane.”